// Copyright 2021 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.

#pragma once

namespace pw::crypto::sha256::backend {

// Not used.
typedef struct empty {
} NativeSha256Context;

enum class ErrorKind {
  kNone = 0,
  kInit = 1,
  kUpdate = 2,
  kFinal = 3,
};

void InjectError(const ErrorKind err);

inline void ClearError(void) { InjectError(ErrorKind::kNone); }

}  // namespace pw::crypto::sha256::backend
